---
title: "Companies House (@companies-house)"
description: "Companies House developer APIs: public company data and the streaming specifications."
account: "companies-house"
---

# Companies House

Companies House developer APIs: public company data and the streaming specifications.

## APIs

4 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/companies-house/feed.md

- [Emergency Filing Service API](https://skmtc.dev/companies-house/apis/emergency-filing-service-api.md): Filings: start and submit forms, manage company details, files and payments, pull reports
- [Officer Filing API](https://skmtc.dev/companies-house/apis/officer-filing-api.md): Officer filings: create, review, validate and retrieve officer appointment and change filings
- [officer-delta-processor](https://skmtc.dev/companies-house/apis/officer-delta-processor.md)
- [Streaming API](https://skmtc.dev/companies-house/apis/streaming-api.md)